ARM: rockchip: add radxa-rock board

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

4 files changed, 109 insertions, 0 deletions

diff --git a/arch/arm/boards/radxa-rock/Makefile b/arch/arm/boards/radxa-rock/Makefile
new file mode 100644
index 0000000000..79c8aec199
--- /dev/null
+++ b/arch/arm/boards/radxa-rock/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_MACH_RADXA_ROCK) += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/radxa-rock/board.c b/arch/arm/boards/radxa-rock/board.c
new file mode 100644
index 0000000000..55b4d23ef3
--- /dev/null
+++ b/arch/arm/boards/radxa-rock/board.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <io.h>
+#include <i2c/i2c.h>
+#include <i2c/i2c-gpio.h>
+#include <mach/rockchip-pll.h>
+#include <mfd/act8846.h>
+
+static struct i2c_board_info radxa_rock_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("act8846", 0x5a)
+	},
+};
+
+static struct i2c_gpio_platform_data i2c_gpio_pdata = {
+	.sda_pin		= 58,
+	.scl_pin		= 59,
+	.udelay			= 5,
+};
+
+static void radxa_rock_pmic_init(void)
+{
+	struct act8846 *pmic;
+
+	pmic = act8846_get();
+	if (pmic == NULL)
+		return;
+
+	/* Power on ethernet PHY */
+	act8846_set_bits(pmic, ACT8846_LDO9_CTRL, BIT(7), BIT(7));
+}
+
+static int setup_plls(void)
+{
+	/* Codec PLL frequency: 594 MHz */
+	rk3188_pll_set_parameters(RK3188_CPLL, 2, 198, 4);
+	/* General PLL frequency: 300 MHz */
+	rk3188_pll_set_parameters(RK3188_GPLL, 1, 50, 4);
+
+	return 0;
+}
+coredevice_initcall(setup_plls);
+
+static int devices_init(void)
+{
+	i2c_register_board_info(0, radxa_rock_i2c_devices,
+				ARRAY_SIZE(radxa_rock_i2c_devices));
+	add_generic_device_res("i2c-gpio", 0, NULL, 0, &i2c_gpio_pdata);
+
+	radxa_rock_pmic_init();
+
+	/* Set mac_pll divisor to 6 (50MHz output) */
+	writel((5 << 8) | (0x1f << 24), 0x20000098);
+
+	return 0;
+}
+device_initcall(devices_init);
+
+static int hostname_init(void)
+{
+	barebox_set_hostname("radxa-rock");
+
+	return 0;
+}
+core_initcall(hostname_init);
diff --git a/arch/arm/boards/radxa-rock/env/config-board b/arch/arm/boards/radxa-rock/env/config-board
new file mode 100644
index 0000000000..d986e305dc
--- /dev/null
+++ b/arch/arm/boards/radxa-rock/env/config-board
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# board defaults, do not change in running system. Change /env/config
+# instead
+
+global.linux.bootargs.base="console=ttyS2,115200"
\ No newline at end of file
diff --git a/arch/arm/boards/radxa-rock/lowlevel.c b/arch/arm/boards/radxa-rock/lowlevel.c
new file mode 100644
index 0000000000..c68d229858
--- /dev/null
+++ b/arch/arm/boards/radxa-rock/lowlevel.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <sizes.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+
+void __naked barebox_arm_reset_vector(void)
+{
+	arm_cpu_lowlevel_init();
+	barebox_arm_entry(0x60000000, SZ_2G, 0);
+}